Security Measure for Image Steganography Based on High Dimensional KL Divergence

Table 3

Some experimental results of the LSBM algorithm.

	Measure Value of 4 dimensional probability statistics			Measure Value of proposed method			Difference of Chang Ratio
	LSBM; (0.2)	LSBM; (0.4)	Chang Ratio	LSBM; (0.2)	LSBM; (0.4)	Chang Ratio
1	2.3620	4.0083	69.70%	1.8435	3.1582	71.32%	1.62%
2	1.5050	2.5938	72.35%	1.0403	1.8095	73.94%	1.59%
3	1.5571	2.6633	71.04%	0.9881	1.6993	71.98%	0.93%
4	1.9854	3.3944	70.97%	1.1598	2.0167	73.88%	2.90%
5	1.6512	2.8346	71.67%	1.1484	1.9933	73.58%	1.92%
6	2.5666	4.3860	70.89%	2.3622	4.0406	71.05%	0.16%
7	2.8742	4.9373	71.78%	2.5766	4.4360	72.16%	0.38%
8	1.0682	1.8674	74.82%	0.5608	0.9976	77.87%	3.05%
9	1.0515	1.8061	71.77%	0.6704	1.1520	71.84%	0.08%
10	0.7674	1.3572	76.86%	0.3412	0.6426	88.33%	11.47%
11	0.3166	0.5782	82.62%	0.1519	0.3024	99.05%	16.43%
12	1.6482	2.8817	74.83%	1.4669	2.5623	74.67%	-0.16%
13	1.8257	3.1334	71.63%	1.2902	2.2171	71.84%	0.21%
14	2.5363	4.3696	72.28%	1.7830	3.0952	73.59%	1.31%
15	1.2773	2.2376	75.19%	0.6221	1.1279	81.31%	6.12%
16	1.8769	3.2131	71.19%	1.0351	1.7893	72.86%	1.67%
17	1.7534	3.0413	73.45%	1.0460	1.8486	76.74%	3.29%
18	2.9332	5.0360	71.69%	2.7375	4.7143	72.21%	0.52%
19	2.1540	3.7006	71.80%	1.5181	2.6244	72.87%	1.08%
20	1.4750	2.5593	73.51%	1.0913	1.8978	73.91%	0.40%